Home / 82,728,145.70-124,092,218.55-22,143,871.70

Finding the Fourth Proportional to 82,728,145.70, 124,092,218.55 and 22,143,871.70

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Solution

The fourth proportional to 82,728,145.70, 124,092,218.55 and 22,143,871.70 is: 33,215,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,145.70 : 124,092,218.55 = 22,143,871.70 : x
  2. Step 2: Convert to fraction form
    82,728,145.70/124,092,218.55 = 22,143,871.70/x
  3. Step 3: Cross multiply
    82,728,145.70x = 124,092,218.55 × 22,143,871.70
  4. Step 4: Simplify right side
    82,728,145.70x = 2,747,882,166,539,560
  5. Step 5: Solve for x
    x = 2,747,882,166,539,560/82,728,145.70
  6. Step 6: Final answer
    x = 33,215,807.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.